英语词汇“methyl orange”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	methyl orange
释义	methyl orange noun Usage: sometimes capitalized M&O : a basic azo dye (CH₃)₂NC₆H₄N . NC₆H₄SO₃Na which is made by coupling diazotized sulfanilic acid with dimethylaniline, is used chiefly as an acid-base indicator, and whose dilute solution is yellow when neutral and pink when acid — see dye table I (under Acid Orange 52); compare helianthin
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